Feature: 1. Applicable Model: Printer printhead is suitable for iB4080, iB4180, MB5080, MB5180, MB5480. Closely fit the original machine hole position. 2. High Reliability: Print head has stable and reliable performance, suitable for replacing your broken or damaged parts to obtain higher strength. 3. Product Materials: Print head is made of ABS materials, it is lightweight, rust resistant, fade resistant and durable. 4. Good Workmanship: Exquisite workmanship, beautiful appearance design, providing you great using experience. 5. Guaranteed Quality: 100% functional test after completion of production. 100% functional test before delivery. The quality is guaranteed. Specification: Item Type: Print Head Material: ABS Color: As Pictures Shown Weight: Approx. 128g / 4.5oz Application: Suitable for iB4080, iB4180, MB5080, MB5180, MB5480. Package List: 1 x Print Head Note: 1.The product is a brand new product, there may be some protective liquid, it is to protect the accessories, it is normal2.Solution for incompatibility: Reset the printer Follow the steps below to reset the printing device. Turn on the printer (if not already turned on). Wait for the printer to come to a complete standstill before continuing. After turning on the printer, disconnect the power cord from the back of the printer. Unplug the power cord from the wall outlet. Wait at least 60 seconds. Plug the power cord back into the wall outlet. NOTE: It recommends that the printer power cord be plugged directly into the wall outlet. Reconnect the power cord to the back of the printer. Turn on the printer (if it is not already on automatically). The printer may need to warm up for a period of time. The printer light may flash and the pen holder may move. Wait until the printer has finished warming up and is completely stationary before proceeding. If the above does not solve the compatibility problem, you will need to replace the original cartridge and ink.